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sfcurve

2x2, 3x3 and Nxn Space-Filling Curves

v1.0.0 · Sep 13, 2024 · MIT + file LICENSE
CRAN GitHub Mirror

Description

Implementation of all possible forms of 2x2 and 3x3 space-filling curves, i.e., the generalized forms of the Hilbert curve <https://en.wikipedia.org/wiki/Hilbert_curve>, the Peano curve <https://en.wikipedia.org/wiki/Peano_curve> and the Peano curve in the meander type (Figure 5 in <https://eudml.org/doc/141086>). It can generates nxn curves expanded from any specific level-1 units. It also implements the H-curve and the three-dimensional Hilbert curve.

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CRAN Check Status

11 NOTE
3 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang NOTE
r-devel-linux-x86_64-fedora-gcc NOTE
r-devel-macos-arm64 NOTE
r-devel-windows-x86_64 NOTE
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 NOTE
r-release-linux-x86_64 NOTE
r-release-macos-arm64 NOTE
r-release-macos-x86_64 NOTE
r-release-windows-x86_64 NOTE
Check details (14 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

DESCRIPTION meta-information

  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’
NOTE r-devel-linux-x86_64-debian-gcc

DESCRIPTION meta-information

  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’
NOTE r-devel-linux-x86_64-fedora-clang

DESCRIPTION meta-information

  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’
NOTE r-devel-linux-x86_64-fedora-gcc

DESCRIPTION meta-information

  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’
NOTE r-devel-macos-arm64

DESCRIPTION meta-information

  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’
NOTE r-devel-windows-x86_64

DESCRIPTION meta-information

  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    'h_curve.Rd' 'sfc_4x4_meander.Rd' 'sfc_generator.Rd'
    'spacefilling.Rd'
OK r-oldrel-macos-arm64

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                OK
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                OK
                r-oldrel-windows-x86_64
              

              
*

              

            

            

              

                NOTE
                r-patched-linux-x86_64
              

              
DESCRIPTION meta-information

              
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

            

            

              

                NOTE
                r-release-linux-x86_64
              

              
DESCRIPTION meta-information

              
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

            

            

              

                NOTE
                r-release-macos-arm64
              

              
DESCRIPTION meta-information

              
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

            

            

              

                NOTE
                r-release-macos-x86_64
              

              
DESCRIPTION meta-information

              
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

            

            

              

                NOTE
                r-release-windows-x86_64
              

              
DESCRIPTION meta-information

              
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    'h_curve.Rd' 'sfc_4x4_meander.Rd' 'sfc_generator.Rd'
    'spacefilling.Rd'

            

          

        

      



      

      
      

        
Check History

        

          

            
              NOTE
              
                3 OK ·                 11 NOTE ·                 0 WARNING ·                 0 ERROR ·                 0 FAILURE              
              Mar 9, 2026
            
            

              

                

                  NOTE
                  r-devel-linux-x86_64-debian-clang
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-devel-linux-x86_64-debian-gcc
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-devel-linux-x86_64-fedora-clang
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-devel-linux-x86_64-fedora-gcc
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-devel-macos-arm64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-devel-windows-x86_64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    'h_curve.Rd' 'sfc_4x4_meander.Rd' 'sfc_generator.Rd'
    'spacefilling.Rd'

              

              

                

                  NOTE
                  r-patched-linux-x86_64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-release-linux-x86_64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-release-macos-arm64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-release-macos-x86_64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    ‘h_curve.Rd’ ‘sfc_4x4_meander.Rd’ ‘sfc_generator.Rd’
    ‘spacefilling.Rd’

              

              

                

                  NOTE
                  r-release-windows-x86_64
                

                
DESCRIPTION meta-information

                
  Missing dependency on R >= 4.1.0 because package code uses the pipe
  |> or function shorthand \(...) syntax added in R 4.1.0.
  File(s) using such syntax:
    'h_curve.Rd' 'sfc_4x4_meander.Rd' 'sfc_generator.Rd'
    'spacefilling.Rd'

              

            

          

        

      


      

      
      

        
Dependency Network

        

          
            

            
            
            Dependencies
            
            Reverse dependencies

            
            
            

            

            
            
              
              Rcpp
            
            
              
              colorRamp2
            

            

            
            
            sfcurve
          
        

      


      
      

        
Version History

        

          

            new
            1.0.0
            Mar 10, 2026